Environment - simulationEnvironment: startTime=0 stopTime=86400 tolerance=1e-06 numberOfIntervals=2500 stepSize=34.56 Regular simulation: ./Buildings_13_Buildings.DHC.Plants.Steam.Examples.SingleBoiler -abortSlowSimulation -alarm=240 -lv LOG_STATS LOG_STDOUT | warning | Internal Numerical Jacobians without coloring are currently not supported by IDA with KLU. Colored numerical Jacobian will be used. LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 21.4182922092375 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 21.4183 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0s reading init.xml | | | | | | 0s reading info.xml | | | | | | 6.4702e-05s [ 1.1%] pre-initialization | | | | | | 0.00108193s [ 18.0%] initialization | | | | | | 0s [ 0.0%] steps | | | | | | 0.000773124s [ 12.8%] solver (excl. callbacks) | | | | | | 2.104e-06s [ 0.0%] creating output-file | | | | | | 0s [ 0.0%] event-handling | | | | | | 0s [ 0.0%] overhead | | | | | | 0.00409746s [ 68.1%] simulation | | | | | | 0.00601931s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 236 steps taken | | | | | | 398 calls of functionODE | | | | | | 64 evaluations of jacobian | | | | | | 24 error test failures | | | | | | 12 convergence test failures | | | | | | 0.00253012s time of jacobian evaluation